5661314725 has 18 divisors (see below), whose sum is σ = 7716235730. Its totient is φ = 4117317600.

The previous prime is 5661314647. The next prime is 5661314773. The reversal of 5661314725 is 5274131665.

It can be written as a sum of positive squares in 3 ways, for example, as 175986756 + 5485327969 = 13266^2 + 74063^2 .

It is not a de Polignac number, because 5661314725 - 2⁹ = 5661314213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 932730 + ... + 938779.

Almost surely, 2^5661314725 is an apocalyptic number.

5661314725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5661314725 is a deficient number, since it is larger than the sum of its proper divisors (2054921005).

5661314725 is a wasteful number, since it uses less digits than its factorization.

5661314725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871541 (or 1871525 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 5661314725 is about 75241.7086794286. The cubic root of 5661314725 is about 1782.2656338251.

The spelling of 5661314725 in words is "five billion, six hundred sixty-one million, three hundred fourteen thousand, seven hundred twenty-five".